Add 42/98 and 81/25
1st number: 42/98, 2nd number: 3 6/25
42/98 + 81/25 is 642/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 25 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 98 × 25 = 2450,
42/98 = 42 × 25/98 × 25 = 1050/2450 - Likewise, for the 2nd fraction, since 25 × 98 = 2450,
81/25 = 81 × 98/25 × 98 = 7938/2450 - Add the two like fractions:
1050/2450 + 7938/2450 = 1050 + 7938/2450 = 8988/2450 - 8988/2450 simplified gives 642/175
- So, 42/98 + 81/25 = 642/175
In mixed form: 3117/175
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